Dave Yeo wrote: >> I cannot find information what version of binutils supports AVX/AVX2/FMA >> instructions, but IIRC OS/2 doesn't support AVX instructions anyway, >> so it doesn't matter much. > > Surprisingly, I've yet to have a report of an AVX related crash or trap > (used in FFmpeg and projects based on it, Mozilla, probably others). > As I understand it, support is a matter of saving the extended registers > during a context switch and perhaps our kernel had some future proofing > added towards the end.
WinXP/Vista also don't support AVX but ffmpeg doesn't crash there. IIRC, OS must explicitely enable AVX support, and an application must check whether the OS supports AVX or not. _______________________________________________ flac-dev mailing list flac-dev@xiph.org http://lists.xiph.org/mailman/listinfo/flac-dev
